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<a href="_e_t_undo_elem_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* ========================================================================= */</span>
<a name="l00002"></a>00002 <span class="comment">/* ------------------------------------------------------------------------- */</span><span class="comment"></span>
<a name="l00003"></a>00003 <span class="comment">/*!</span>
<a name="l00004"></a>00004 <span class="comment">  \file         ETUndoElem.h</span>
<a name="l00005"></a>00005 <span class="comment">  \date         september 2011</span>
<a name="l00006"></a>00006 <span class="comment">  \author       TNick</span>
<a name="l00007"></a>00007 <span class="comment"></span>
<a name="l00008"></a>00008 <span class="comment">  \brief        Contains the definition for ETUndoElem class</span>
<a name="l00009"></a>00009 <span class="comment"></span>
<a name="l00010"></a>00010 <span class="comment"></span>
<a name="l00011"></a>00011 <span class="comment">  Copyright (c) 2011, Nicu Tofan</span>
<a name="l00012"></a>00012 <span class="comment"> All rights reserved.</span>
<a name="l00013"></a>00013 <span class="comment"></span>
<a name="l00014"></a>00014 <span class="comment"> Redistribution and use in source and binary forms, with or without</span>
<a name="l00015"></a>00015 <span class="comment"> modification, are permitted provided that the following conditions are met:</span>
<a name="l00016"></a>00016 <span class="comment"> * Redistributions of source code must retain the above copyright</span>
<a name="l00017"></a>00017 <span class="comment">   notice, this list of conditions and the following disclaimer.</span>
<a name="l00018"></a>00018 <span class="comment"> * Redistributions in binary form must reproduce the above copyright</span>
<a name="l00019"></a>00019 <span class="comment">   notice, this list of conditions and the following disclaimer in the</span>
<a name="l00020"></a>00020 <span class="comment">   documentation and/or other materials provided with the distribution.</span>
<a name="l00021"></a>00021 <span class="comment"> * Neither the name of the copyright holder nor the</span>
<a name="l00022"></a>00022 <span class="comment">   names of its contributors may be used to endorse or promote products</span>
<a name="l00023"></a>00023 <span class="comment">   derived from this software without specific prior written permission.</span>
<a name="l00024"></a>00024 <span class="comment"></span>
<a name="l00025"></a>00025 <span class="comment"> THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS &quot;AS IS&quot; AND</span>
<a name="l00026"></a>00026 <span class="comment"> ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED</span>
<a name="l00027"></a>00027 <span class="comment"> WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE</span>
<a name="l00028"></a>00028 <span class="comment"> DISCLAIMED. IN NO EVENT SHALL NICU TOFAN BE LIABLE FOR ANY</span>
<a name="l00029"></a>00029 <span class="comment"> DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES</span>
<a name="l00030"></a>00030 <span class="comment"> (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;</span>
<a name="l00031"></a>00031 <span class="comment"> LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND</span>
<a name="l00032"></a>00032 <span class="comment"> ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span>
<a name="l00033"></a>00033 <span class="comment"> (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS</span>
<a name="l00034"></a>00034 <span class="comment"> SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00035"></a>00035 <span class="comment"></span>
<a name="l00036"></a>00036 <span class="comment">*/</span>
<a name="l00037"></a>00037 <span class="comment">/* ------------------------------------------------------------------------- */</span>
<a name="l00038"></a>00038 <span class="comment">/* ========================================================================= */</span>
<a name="l00039"></a>00039 <span class="preprocessor">#ifndef __ETUNDOELEM_INC__</span>
<a name="l00040"></a>00040 <span class="preprocessor"></span><span class="preprocessor">#define __ETUNDOELEM_INC__</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span><span class="comment">//</span>
<a name="l00042"></a>00042 <span class="comment">//</span>
<a name="l00043"></a>00043 <span class="comment">//</span>
<a name="l00044"></a>00044 <span class="comment">//</span>
<a name="l00045"></a>00045 <span class="comment">/*  INCLUDES    ------------------------------------------------------------ */</span>
<a name="l00046"></a>00046 
<a name="l00047"></a>00047 <span class="preprocessor">#include    &lt;<a class="code" href="main_8h.html" title="Contains global definitions for application.">main.h</a>&gt;</span>
<a name="l00048"></a>00048 
<a name="l00049"></a>00049 <span class="keyword">class       </span><a class="code" href="class_e_t_i___cplx_txt.html" title="class representing a complex text; this may or may not represent an equation">ETI_CplxTxt</a>;
<a name="l00050"></a>00050 <span class="keyword">class       </span><a class="code" href="class_e_t_sheet_view.html" title="Widget capable of displaying an ETSheet content.">ETSheetView</a>;
<a name="l00051"></a>00051 <span class="keyword">class       </span><a class="code" href="class_e_t_sheet.html" title="Class representing logical root for all elements contained in a document (sheet)">ETSheet</a>;
<a name="l00052"></a>00052 <span class="keyword">class       </span><a class="code" href="class_e_t_undo_head.html" title="class representing the base of an undo-redo system in a sheet">ETUndoHead</a>;
<a name="l00053"></a>00053 
<a name="l00054"></a>00054 
<a name="l00055"></a>00055 
<a name="l00056"></a>00056 <span class="preprocessor">#include    &lt;<a class="code" href="cc__l2d_8h.html" title="Contains the definition of CC_L2D class and related.">generic/cc_l2d.h</a>&gt;</span>
<a name="l00057"></a>00057 
<a name="l00058"></a>00058 <span class="comment">/*  INCLUDES    ============================================================ */</span>
<a name="l00059"></a>00059 <span class="comment">//</span>
<a name="l00060"></a>00060 <span class="comment">//</span>
<a name="l00061"></a>00061 <span class="comment">//</span>
<a name="l00062"></a>00062 <span class="comment">//</span>
<a name="l00063"></a>00063 <span class="comment">/*  CLASS    --------------------------------------------------------------- */</span>
<a name="l00064"></a>00064 <span class="comment"></span>
<a name="l00065"></a>00065 <span class="comment">/// class representing the common interface exposed by all sub-items of a ETI_CplxTxt</span>
<a name="l00066"></a>00066 <span class="comment"></span><span class="comment">/**</span>
<a name="l00067"></a>00067 <span class="comment">*</span>
<a name="l00068"></a>00068 <span class="comment">*/</span>
<a name="l00069"></a><a class="code" href="class_e_t_undo_elem.html">00069</a> <span class="keyword">class </span><a class="code" href="class_e_t_undo_elem.html" title="class representing the common interface exposed by all sub-items of a ETI_CplxTxt">ETUndoElem</a> : <span class="keyword">public</span> <a class="code" href="class_c_c___l2_d.html" title="class representing the list element in a linked list system">CC_L2D</a>        {
<a name="l00070"></a>00070 
<a name="l00071"></a>00071     <span class="comment">//</span>
<a name="l00072"></a>00072     <span class="comment">//</span>
<a name="l00073"></a>00073     <span class="comment">//</span>
<a name="l00074"></a>00074     <span class="comment">//</span>
<a name="l00075"></a>00075     <span class="comment">/*  DEFINITIONS    ----------------------------------------------------- */</span>
<a name="l00076"></a>00076 
<a name="l00077"></a><a class="code" href="class_e_t_undo_elem.html#a5e0c862ae6c0d29b753ada136096eff9">00077</a>     <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="class_e_t_undo_head.html" title="class representing the base of an undo-redo system in a sheet">ETUndoHead</a>;
<a name="l00078"></a>00078 
<a name="l00079"></a>00079 <span class="keyword">protected</span>:
<a name="l00080"></a>00080 <span class="comment"></span>
<a name="l00081"></a>00081 <span class="comment">    /// one bit switches</span>
<a name="l00082"></a><a class="code" href="class_e_t_undo_elem.html#a6582aa47c82c62b414197ddbfa4a91b6">00082</a> <span class="comment"></span>    <span class="keyword">enum</span> <a class="code" href="class_e_t_undo_elem.html#a6582aa47c82c62b414197ddbfa4a91b6" title="one bit switches">Flags</a>      {
<a name="l00083"></a><a class="code" href="class_e_t_undo_elem.html#a6582aa47c82c62b414197ddbfa4a91b6aaf324d97207047c71e57adc2a2294ffb">00083</a>         <a class="code" href="class_e_t_undo_elem.html#a6582aa47c82c62b414197ddbfa4a91b6aaf324d97207047c71e57adc2a2294ffb">NOFLAGS</a> = 0,
<a name="l00084"></a>00084 
<a name="l00085"></a><a class="code" href="class_e_t_undo_elem.html#a6582aa47c82c62b414197ddbfa4a91b6a925456b521ced24e186fd8b9427453e5">00085</a>         <a class="code" href="class_e_t_undo_elem.html#a6582aa47c82c62b414197ddbfa4a91b6a925456b521ced24e186fd8b9427453e5">STATE_UNDO_READY</a>,   <span class="comment">/**&lt; the action was performed and the valid</span>
<a name="l00086"></a>00086 <span class="comment">action uppon this class is performUndo(); if this flag is not set, then</span>
<a name="l00087"></a>00087 <span class="comment">performUndo() is not valid and performRedo() is */</span>
<a name="l00088"></a>00088 
<a name="l00089"></a><a class="code" href="class_e_t_undo_elem.html#a6582aa47c82c62b414197ddbfa4a91b6af145e21636b907369a9fabaaf6f763f3">00089</a>         <a class="code" href="class_e_t_undo_elem.html#a6582aa47c82c62b414197ddbfa4a91b6af145e21636b907369a9fabaaf6f763f3">MIRRORED</a>,           <span class="comment">/**&lt; some commands may be implemented by</span>
<a name="l00090"></a>00090 <span class="comment">one class for two complementary actions (like create / delete). These</span>
<a name="l00091"></a>00091 <span class="comment">commands may use this flag to know wich version to</span>
<a name="l00092"></a>00092 <span class="comment">perform on undo / redo */</span>
<a name="l00093"></a>00093 
<a name="l00094"></a>00094 
<a name="l00095"></a><a class="code" href="class_e_t_undo_elem.html#a6582aa47c82c62b414197ddbfa4a91b6a4a0d7c2b92d3e01e52793e3a1f132541">00095</a>         <a class="code" href="class_e_t_undo_elem.html#a6582aa47c82c62b414197ddbfa4a91b6a4a0d7c2b92d3e01e52793e3a1f132541">MAX_FLAGS</a>
<a name="l00096"></a>00096     };
<a name="l00097"></a>00097 
<a name="l00098"></a>00098 
<a name="l00099"></a>00099 <span class="keyword">public</span>:
<a name="l00100"></a>00100 <span class="comment"></span>
<a name="l00101"></a>00101 <span class="comment">    /// describes all possible types of undo elements</span>
<a name="l00102"></a><a class="code" href="class_e_t_undo_elem.html#a19152c21940321994573210e30c9f09a">00102</a> <span class="comment"></span>    <span class="keyword">enum</span>    <a class="code" href="class_e_t_undo_elem.html#a19152c21940321994573210e30c9f09a" title="describes all possible types of undo elements">Type</a>    {
<a name="l00103"></a><a class="code" href="class_e_t_undo_elem.html#a19152c21940321994573210e30c9f09aad787dac409ad43d625e00d2767f3b998">00103</a>         <a class="code" href="class_e_t_undo_elem.html#a19152c21940321994573210e30c9f09aad787dac409ad43d625e00d2767f3b998">UNDEFINED</a> = 0,
<a name="l00104"></a>00104 
<a name="l00105"></a><a class="code" href="class_e_t_undo_elem.html#a19152c21940321994573210e30c9f09aa0107b02bc06a57005759bddd04fd51aa">00105</a>         <a class="code" href="class_e_t_undo_elem.html#a19152c21940321994573210e30c9f09aa0107b02bc06a57005759bddd04fd51aa">CREATE_ITEM</a>,    <span class="comment">/**&lt; ETU_CreateIt instance; mirror not set */</span>
<a name="l00106"></a><a class="code" href="class_e_t_undo_elem.html#a19152c21940321994573210e30c9f09aad68a7c656c5db4b37dc20742fd2b471e">00106</a>         <a class="code" href="class_e_t_undo_elem.html#a19152c21940321994573210e30c9f09aad68a7c656c5db4b37dc20742fd2b471e">DELETE_ITEM</a>,    <span class="comment">/**&lt; ETU_CreateIt instance; mirror set */</span>
<a name="l00107"></a>00107 
<a name="l00108"></a>00108 
<a name="l00109"></a><a class="code" href="class_e_t_undo_elem.html#a19152c21940321994573210e30c9f09aa22242e78f52f53c6a93bcc1c702428b0">00109</a>         <a class="code" href="class_e_t_undo_elem.html#a19152c21940321994573210e30c9f09aa22242e78f52f53c6a93bcc1c702428b0">MAX_TY</a>
<a name="l00110"></a>00110     };
<a name="l00111"></a>00111 
<a name="l00112"></a>00112 
<a name="l00113"></a>00113     <span class="comment">/*  DEFINITIONS    ===================================================== */</span>
<a name="l00114"></a>00114     <span class="comment">//</span>
<a name="l00115"></a>00115     <span class="comment">//</span>
<a name="l00116"></a>00116     <span class="comment">//</span>
<a name="l00117"></a>00117     <span class="comment">//</span>
<a name="l00118"></a>00118     <span class="comment">/*  DATA    ------------------------------------------------------------ */</span>
<a name="l00119"></a>00119 
<a name="l00120"></a>00120 <span class="keyword">protected</span>:
<a name="l00121"></a>00121 <span class="comment"></span>
<a name="l00122"></a>00122 <span class="comment">    /// one bit switches used by this class and inheritants</span>
<a name="l00123"></a><a class="code" href="class_e_t_undo_elem.html#a6ef9495068d1c7b5600423c328c4989c">00123</a> <span class="comment"></span>    <a class="code" href="class_e_t_undo_elem.html#a6582aa47c82c62b414197ddbfa4a91b6" title="one bit switches">Flags</a>       <a class="code" href="class_e_t_undo_elem.html#a6ef9495068d1c7b5600423c328c4989c" title="one bit switches used by this class and inheritants">flg</a>;
<a name="l00124"></a>00124 <span class="comment"></span>
<a name="l00125"></a>00125 <span class="comment">    /// description of this action</span>
<a name="l00126"></a><a class="code" href="class_e_t_undo_elem.html#a66cfdc3d2bc58c52c966ae3c7150b63c">00126</a> <span class="comment"></span>    QString     <a class="code" href="class_e_t_undo_elem.html#a66cfdc3d2bc58c52c966ae3c7150b63c" title="description of this action">descr</a>;
<a name="l00127"></a>00127 <span class="comment"></span>
<a name="l00128"></a>00128 <span class="comment">    /// the type of this action</span>
<a name="l00129"></a><a class="code" href="class_e_t_undo_elem.html#a466057232c7588fea57b2b606a1be40e">00129</a> <span class="comment"></span>    <a class="code" href="class_e_t_undo_elem.html#a19152c21940321994573210e30c9f09a" title="describes all possible types of undo elements">Type</a>        <a class="code" href="class_e_t_undo_elem.html#a466057232c7588fea57b2b606a1be40e" title="the type of this action">the_type</a>;
<a name="l00130"></a>00130 
<a name="l00131"></a>00131 
<a name="l00132"></a>00132     <span class="comment">/*  DATA    ============================================================ */</span>
<a name="l00133"></a>00133     <span class="comment">//</span>
<a name="l00134"></a>00134     <span class="comment">//</span>
<a name="l00135"></a>00135     <span class="comment">//</span>
<a name="l00136"></a>00136     <span class="comment">//</span>
<a name="l00137"></a>00137     <span class="comment">/*  FUNCTIONS    ------------------------------------------------------- */</span>
<a name="l00138"></a>00138 
<a name="l00139"></a>00139 <span class="keyword">public</span>:
<a name="l00140"></a>00140 <span class="comment"></span>
<a name="l00141"></a>00141 <span class="comment">    /// constructor</span>
<a name="l00142"></a>00142 <span class="comment"></span><span class="comment">    /**</span>
<a name="l00143"></a>00143 <span class="comment">   */</span>
<a name="l00144"></a>00144     <a class="code" href="class_e_t_undo_elem.html#a4fa6a72d707c40363d2bb39fabb1bde7" title="constructor">ETUndoElem</a>          ( <a class="code" href="class_e_t_undo_elem.html#a19152c21940321994573210e30c9f09a" title="describes all possible types of undo elements">Type</a> el_ty );
<a name="l00145"></a>00145 
<a name="l00146"></a>00146 <span class="comment"></span>
<a name="l00147"></a>00147 <span class="comment">    /// destructor</span>
<a name="l00148"></a>00148 <span class="comment"></span><span class="comment">    /**</span>
<a name="l00149"></a>00149 <span class="comment">  */</span>
<a name="l00150"></a>00150     <span class="keyword">virtual</span>             <a class="code" href="class_e_t_undo_elem.html#a4623773fd3c00171bf2f51f56a271c83" title="destructor">~ETUndoElem</a>     ( <span class="keywordtype">void</span> );
<a name="l00151"></a>00151 
<a name="l00152"></a>00152 
<a name="l00153"></a>00153 
<a name="l00154"></a>00154 
<a name="l00155"></a>00155 
<a name="l00156"></a>00156     <span class="comment">/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */</span><span class="comment"></span>
<a name="l00157"></a>00157 <span class="comment">    /** @name Undo / Redo status    */</span><span class="comment"></span>
<a name="l00158"></a>00158 <span class="comment">    //@{</span>
<a name="l00159"></a>00159 <span class="comment"></span>    <span class="comment">/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */</span>
<a name="l00160"></a>00160 <span class="keyword">protected</span>:
<a name="l00161"></a>00161 <span class="comment"></span>
<a name="l00162"></a>00162 <span class="comment">    /// marks this sub-item as being ready to be un-done</span>
<a name="l00163"></a><a class="code" href="class_e_t_undo_elem.html#a32fafe9ce75f07f5cf88a550f21cc05e">00163</a> <span class="comment"></span>    <span class="keywordtype">void</span>                <a class="code" href="class_e_t_undo_elem.html#a32fafe9ce75f07f5cf88a550f21cc05e" title="marks this sub-item as being ready to be un-done">setUndoReady</a>    ( <span class="keywordtype">void</span> )
<a name="l00164"></a>00164     { <a class="code" href="class_e_t_undo_elem.html#a6ef9495068d1c7b5600423c328c4989c" title="one bit switches used by this class and inheritants">flg</a> = (<a class="code" href="class_e_t_undo_elem.html#a6582aa47c82c62b414197ddbfa4a91b6" title="one bit switches">Flags</a>)(<a class="code" href="class_e_t_undo_elem.html#a6ef9495068d1c7b5600423c328c4989c" title="one bit switches used by this class and inheritants">flg</a> | <a class="code" href="class_e_t_undo_elem.html#a6582aa47c82c62b414197ddbfa4a91b6a925456b521ced24e186fd8b9427453e5">STATE_UNDO_READY</a>); }
<a name="l00165"></a>00165 
<a name="l00166"></a>00166 <span class="comment"></span>
<a name="l00167"></a>00167 <span class="comment">    /// marks this sub-item as being ready to be re-done</span>
<a name="l00168"></a><a class="code" href="class_e_t_undo_elem.html#aee8ab685b6f0a91562a544275d4aaa29">00168</a> <span class="comment"></span>    <span class="keywordtype">void</span>                <a class="code" href="class_e_t_undo_elem.html#aee8ab685b6f0a91562a544275d4aaa29" title="marks this sub-item as being ready to be re-done">setRedoReady</a>    ( <span class="keywordtype">void</span> )
<a name="l00169"></a>00169     { <a class="code" href="class_e_t_undo_elem.html#a6ef9495068d1c7b5600423c328c4989c" title="one bit switches used by this class and inheritants">flg</a> = (<a class="code" href="class_e_t_undo_elem.html#a6582aa47c82c62b414197ddbfa4a91b6" title="one bit switches">Flags</a>)(<a class="code" href="class_e_t_undo_elem.html#a6ef9495068d1c7b5600423c328c4989c" title="one bit switches used by this class and inheritants">flg</a> &amp; (~<a class="code" href="class_e_t_undo_elem.html#a6582aa47c82c62b414197ddbfa4a91b6a925456b521ced24e186fd8b9427453e5">STATE_UNDO_READY</a>)); }
<a name="l00170"></a>00170 
<a name="l00171"></a>00171 
<a name="l00172"></a>00172 <span class="keyword">public</span>:<span class="comment"></span>
<a name="l00173"></a>00173 <span class="comment">    /// tell if this item is ready to be undone</span>
<a name="l00174"></a><a class="code" href="class_e_t_undo_elem.html#ac212d9ce4e989e7ffcf9931c7006bbeb">00174</a> <span class="comment"></span>    <span class="keywordtype">bool</span>                <a class="code" href="class_e_t_undo_elem.html#ac212d9ce4e989e7ffcf9931c7006bbeb" title="tell if this item is ready to be undone">isUndoReady</a>         ( <span class="keywordtype">void</span> )<span class="keyword"> const</span>
<a name="l00175"></a>00175 <span class="keyword">    </span>{ <span class="keywordflow">return</span> ((<a class="code" href="class_e_t_undo_elem.html#a6ef9495068d1c7b5600423c328c4989c" title="one bit switches used by this class and inheritants">flg</a> &amp; <a class="code" href="class_e_t_undo_elem.html#a6582aa47c82c62b414197ddbfa4a91b6a925456b521ced24e186fd8b9427453e5">STATE_UNDO_READY</a>) != 0); }
<a name="l00176"></a>00176 
<a name="l00177"></a>00177 <span class="comment"></span>
<a name="l00178"></a>00178 <span class="comment">    /// tell if this item is ready to be undone</span>
<a name="l00179"></a><a class="code" href="class_e_t_undo_elem.html#aeacc52fe1dfcc769fd8f655845c1d989">00179</a> <span class="comment"></span>    <span class="keywordtype">bool</span>                <a class="code" href="class_e_t_undo_elem.html#aeacc52fe1dfcc769fd8f655845c1d989" title="tell if this item is ready to be undone">isRedoReady</a>         ( <span class="keywordtype">void</span> )<span class="keyword"> const</span>
<a name="l00180"></a>00180 <span class="keyword">    </span>{ <span class="keywordflow">return</span> ((<a class="code" href="class_e_t_undo_elem.html#a6ef9495068d1c7b5600423c328c4989c" title="one bit switches used by this class and inheritants">flg</a> &amp; <a class="code" href="class_e_t_undo_elem.html#a6582aa47c82c62b414197ddbfa4a91b6a925456b521ced24e186fd8b9427453e5">STATE_UNDO_READY</a>) == 0); }
<a name="l00181"></a>00181 
<a name="l00182"></a>00182 <span class="comment"></span>
<a name="l00183"></a>00183 <span class="comment">    //@}</span>
<a name="l00184"></a>00184 <span class="comment"></span>    <span class="comment">/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */</span>
<a name="l00185"></a>00185 
<a name="l00186"></a>00186 
<a name="l00187"></a>00187 
<a name="l00188"></a>00188 
<a name="l00189"></a>00189 
<a name="l00190"></a>00190     <span class="comment">/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */</span><span class="comment"></span>
<a name="l00191"></a>00191 <span class="comment">    /** @name Associated text    */</span><span class="comment"></span>
<a name="l00192"></a>00192 <span class="comment">    //@{</span>
<a name="l00193"></a>00193 <span class="comment"></span>    <span class="comment">/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */</span>
<a name="l00194"></a>00194 <span class="keyword">public</span>:
<a name="l00195"></a>00195 <span class="comment"></span>
<a name="l00196"></a>00196 <span class="comment">    /// get the text that describes this instance</span>
<a name="l00197"></a><a class="code" href="class_e_t_undo_elem.html#a993ebb744103e60f278d0eecd2f98562">00197</a> <span class="comment"></span>    <span class="keyword">inline</span> QString      <a class="code" href="class_e_t_undo_elem.html#a993ebb744103e60f278d0eecd2f98562" title="get the text that describes this instance">description</a>         ( <span class="keywordtype">void</span> )
<a name="l00198"></a>00198     { <span class="keywordflow">return</span> <a class="code" href="class_e_t_undo_elem.html#a66cfdc3d2bc58c52c966ae3c7150b63c" title="description of this action">descr</a>; }
<a name="l00199"></a>00199 
<a name="l00200"></a>00200 
<a name="l00201"></a>00201 <span class="keyword">protected</span>:
<a name="l00202"></a>00202 <span class="comment"></span>
<a name="l00203"></a>00203 <span class="comment">    /// set the description for this item</span>
<a name="l00204"></a><a class="code" href="class_e_t_undo_elem.html#a62f8c0c7ce522bb21c65b5a29ed46662">00204</a> <span class="comment"></span>    <span class="keyword">inline</span> <span class="keywordtype">void</span>         <a class="code" href="class_e_t_undo_elem.html#a62f8c0c7ce522bb21c65b5a29ed46662" title="set the description for this item">setDescription</a>      (QString new_descr)
<a name="l00205"></a>00205     { <a class="code" href="class_e_t_undo_elem.html#a66cfdc3d2bc58c52c966ae3c7150b63c" title="description of this action">descr</a> = new_descr; }
<a name="l00206"></a>00206 
<a name="l00207"></a>00207 <span class="comment"></span>
<a name="l00208"></a>00208 <span class="comment">    //@}</span>
<a name="l00209"></a>00209 <span class="comment"></span>    <span class="comment">/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */</span>
<a name="l00210"></a>00210 
<a name="l00211"></a>00211 
<a name="l00212"></a>00212 
<a name="l00213"></a>00213 
<a name="l00214"></a>00214 
<a name="l00215"></a>00215     <span class="comment">/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */</span><span class="comment"></span>
<a name="l00216"></a>00216 <span class="comment">    /** @name  Mirrored status</span>
<a name="l00217"></a>00217 <span class="comment"> *</span>
<a name="l00218"></a>00218 <span class="comment"> *  Some commands may be implemented by one class for two</span>
<a name="l00219"></a>00219 <span class="comment"> *  complementary actions (like create / delete). These</span>
<a name="l00220"></a>00220 <span class="comment"> *  commands may use this flag to know wich version to</span>
<a name="l00221"></a>00221 <span class="comment"> *  perform on undo / redo</span>
<a name="l00222"></a>00222 <span class="comment"> */</span><span class="comment"></span>
<a name="l00223"></a>00223 <span class="comment">    //@{</span>
<a name="l00224"></a>00224 <span class="comment"></span>    <span class="comment">/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */</span>
<a name="l00225"></a>00225 <span class="keyword">public</span>:
<a name="l00226"></a>00226 <span class="comment"></span>
<a name="l00227"></a>00227 <span class="comment">    /// mark the item to be in mirrored form</span>
<a name="l00228"></a><a class="code" href="class_e_t_undo_elem.html#a57ba162eb84c3949c66228525522d52b">00228</a> <span class="comment"></span>    <span class="keywordtype">void</span>                <a class="code" href="class_e_t_undo_elem.html#a57ba162eb84c3949c66228525522d52b" title="mark the item to be in mirrored form">setMirrored</a>         ( <span class="keywordtype">void</span> )
<a name="l00229"></a>00229     { <a class="code" href="class_e_t_undo_elem.html#a6ef9495068d1c7b5600423c328c4989c" title="one bit switches used by this class and inheritants">flg</a> = (<a class="code" href="class_e_t_undo_elem.html#a6582aa47c82c62b414197ddbfa4a91b6" title="one bit switches">Flags</a>)(<a class="code" href="class_e_t_undo_elem.html#a6ef9495068d1c7b5600423c328c4989c" title="one bit switches used by this class and inheritants">flg</a> | <a class="code" href="class_e_t_undo_elem.html#a6582aa47c82c62b414197ddbfa4a91b6af145e21636b907369a9fabaaf6f763f3">MIRRORED</a>); }
<a name="l00230"></a>00230 <span class="comment"></span>
<a name="l00231"></a>00231 <span class="comment">    /// mark the item to be in un-mirrored form</span>
<a name="l00232"></a><a class="code" href="class_e_t_undo_elem.html#a739b6775ddeefb257133ea362615ebc0">00232</a> <span class="comment"></span>    <span class="keywordtype">void</span>                <a class="code" href="class_e_t_undo_elem.html#a739b6775ddeefb257133ea362615ebc0" title="mark the item to be in un-mirrored form">setUnMirrored</a>       ( <span class="keywordtype">void</span> )
<a name="l00233"></a>00233     { <a class="code" href="class_e_t_undo_elem.html#a6ef9495068d1c7b5600423c328c4989c" title="one bit switches used by this class and inheritants">flg</a> = (<a class="code" href="class_e_t_undo_elem.html#a6582aa47c82c62b414197ddbfa4a91b6" title="one bit switches">Flags</a>)(<a class="code" href="class_e_t_undo_elem.html#a6ef9495068d1c7b5600423c328c4989c" title="one bit switches used by this class and inheritants">flg</a> &amp; (~<a class="code" href="class_e_t_undo_elem.html#a6582aa47c82c62b414197ddbfa4a91b6af145e21636b907369a9fabaaf6f763f3">MIRRORED</a>)); }
<a name="l00234"></a>00234 <span class="comment"></span>
<a name="l00235"></a>00235 <span class="comment">    /// tell if this item is in mirrored state</span>
<a name="l00236"></a><a class="code" href="class_e_t_undo_elem.html#aa1b8e564f63984d8b3d09a5b1a3dc01f">00236</a> <span class="comment"></span>    <span class="keywordtype">bool</span>                <a class="code" href="class_e_t_undo_elem.html#aa1b8e564f63984d8b3d09a5b1a3dc01f" title="tell if this item is in mirrored state">isMirrored</a>          ( <span class="keywordtype">void</span> )<span class="keyword"> const</span>
<a name="l00237"></a>00237 <span class="keyword">    </span>{ <span class="keywordflow">return</span> ((<a class="code" href="class_e_t_undo_elem.html#a6ef9495068d1c7b5600423c328c4989c" title="one bit switches used by this class and inheritants">flg</a> &amp; <a class="code" href="class_e_t_undo_elem.html#a6582aa47c82c62b414197ddbfa4a91b6af145e21636b907369a9fabaaf6f763f3">MIRRORED</a>) != 0); }
<a name="l00238"></a>00238 <span class="comment"></span>
<a name="l00239"></a>00239 <span class="comment">    //@}</span>
<a name="l00240"></a>00240 <span class="comment"></span>    <span class="comment">/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */</span>
<a name="l00241"></a>00241 
<a name="l00242"></a>00242 
<a name="l00243"></a>00243 
<a name="l00244"></a>00244 
<a name="l00245"></a>00245 
<a name="l00246"></a>00246     <span class="comment">/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */</span><span class="comment"></span>
<a name="l00247"></a>00247 <span class="comment">    /** @name Reimplementing some CC_L2D functionality. Add new    */</span><span class="comment"></span>
<a name="l00248"></a>00248 <span class="comment">    //@{</span>
<a name="l00249"></a>00249 <span class="comment"></span>    <span class="comment">/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */</span>
<a name="l00250"></a>00250 <span class="keyword">public</span>:
<a name="l00251"></a>00251 
<a name="l00252"></a>00252 <span class="comment"></span>
<a name="l00253"></a>00253 <span class="comment">    /// return next item</span>
<a name="l00254"></a><a class="code" href="class_e_t_undo_elem.html#a80f0e8d8608fbb2fb2c7c1ceb3839bbe">00254</a> <span class="comment"></span>    <span class="keyword">inline</span> <a class="code" href="class_e_t_undo_elem.html" title="class representing the common interface exposed by all sub-items of a ETI_CplxTxt">ETUndoElem</a>*      <a class="code" href="class_e_t_undo_elem.html#a80f0e8d8608fbb2fb2c7c1ceb3839bbe" title="return next item">next</a>        ( <span class="keywordtype">void</span> )<span class="keyword"> const</span>
<a name="l00255"></a>00255 <span class="keyword">    </span>{ <span class="keywordflow">return</span> (<a class="code" href="class_e_t_undo_elem.html" title="class representing the common interface exposed by all sub-items of a ETI_CplxTxt">ETUndoElem</a>*)<a class="code" href="class_e_t_undo_elem.html#a80f0e8d8608fbb2fb2c7c1ceb3839bbe" title="return next item">CC_L2D::next</a>(); }
<a name="l00256"></a>00256 
<a name="l00257"></a>00257 <span class="comment"></span>
<a name="l00258"></a>00258 <span class="comment">    /// return previous item</span>
<a name="l00259"></a><a class="code" href="class_e_t_undo_elem.html#a870e61922d1defbca23ba0dcf0b442c9">00259</a> <span class="comment"></span>    <span class="keyword">inline</span> <a class="code" href="class_e_t_undo_elem.html" title="class representing the common interface exposed by all sub-items of a ETI_CplxTxt">ETUndoElem</a>*      <a class="code" href="class_e_t_undo_elem.html#a870e61922d1defbca23ba0dcf0b442c9" title="return previous item">prev</a>        ( <span class="keywordtype">void</span> )<span class="keyword"> const</span>
<a name="l00260"></a>00260 <span class="keyword">    </span>{ <span class="keywordflow">return</span> (<a class="code" href="class_e_t_undo_elem.html" title="class representing the common interface exposed by all sub-items of a ETI_CplxTxt">ETUndoElem</a>*)<a class="code" href="class_e_t_undo_elem.html#a870e61922d1defbca23ba0dcf0b442c9" title="return previous item">CC_L2D::prev</a>(); }
<a name="l00261"></a>00261 
<a name="l00262"></a>00262 <span class="comment"></span>
<a name="l00263"></a>00263 <span class="comment">    /// gets the index of a particular item inside the father</span>
<a name="l00264"></a><a class="code" href="class_e_t_undo_elem.html#a06336b6beb1fcd9c7b7ccafa8cdc4bf3">00264</a> <span class="comment"></span>    <span class="keyword">inline</span> <span class="keywordtype">int</span>              <a class="code" href="class_e_t_undo_elem.html#a06336b6beb1fcd9c7b7ccafa8cdc4bf3" title="gets the index of a particular item inside the father">index</a>       ( <span class="keyword">const</span> <a class="code" href="class_e_t_undo_head.html" title="class representing the base of an undo-redo system in a sheet">ETUndoHead</a>* pFth)<span class="keyword"> const</span>
<a name="l00265"></a>00265 <span class="keyword">    </span>{ <span class="keywordflow">return</span> <a class="code" href="class_e_t_undo_elem.html#a06336b6beb1fcd9c7b7ccafa8cdc4bf3" title="gets the index of a particular item inside the father">CC_L2D::index</a>((<a class="code" href="class_c_c___h_d_l2_d.html" title="class representing the list header in a linked list system">CC_HDL2D</a>*)pFth); }
<a name="l00266"></a>00266 
<a name="l00267"></a>00267 
<a name="l00268"></a>00268 <span class="keyword">protected</span>:
<a name="l00269"></a>00269 <span class="comment"></span>
<a name="l00270"></a>00270 <span class="comment">    /// extract this item from the chain</span>
<a name="l00271"></a><a class="code" href="class_e_t_undo_elem.html#a6191ce248c8c8f34eb73da7c52247ba7">00271</a> <span class="comment"></span>    <span class="keyword">inline</span> <span class="keywordtype">void</span>             <a class="code" href="class_e_t_undo_elem.html#a6191ce248c8c8f34eb73da7c52247ba7" title="extract this item from the chain">extract</a>     (<a class="code" href="class_e_t_undo_head.html" title="class representing the base of an undo-redo system in a sheet">ETUndoHead</a>* pFth)
<a name="l00272"></a>00272     { <a class="code" href="class_e_t_undo_elem.html#a6191ce248c8c8f34eb73da7c52247ba7" title="extract this item from the chain">CC_L2D::extract</a>((<a class="code" href="class_c_c___h_d_l2_d.html" title="class representing the list header in a linked list system">CC_HDL2D</a>*)pFth); }
<a name="l00273"></a>00273 
<a name="l00274"></a>00274 <span class="comment"></span>
<a name="l00275"></a>00275 <span class="comment">    /// simply breaks the chain before (places NULL in previous member)</span>
<a name="l00276"></a><a class="code" href="class_e_t_undo_elem.html#a9ce2068993480a341c8f612507d5ac08">00276</a> <span class="comment"></span>    <span class="keyword">inline</span> <span class="keywordtype">void</span>             <a class="code" href="class_e_t_undo_elem.html#a9ce2068993480a341c8f612507d5ac08" title="simply breaks the chain before (places NULL in previous member)">breakBefore</a> (<span class="keywordtype">void</span>)
<a name="l00277"></a>00277     { <a class="code" href="class_c_c___l2_d.html#a06f1614f3ae7e0ee5a309520667738bc" title="pointer to previous element in list">LipP</a> = <a class="code" href="aclass__ddhc_8cc.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>; }
<a name="l00278"></a>00278 <span class="comment"></span>
<a name="l00279"></a>00279 <span class="comment">    /// simply breaks the chain after (places NULL in next member)</span>
<a name="l00280"></a><a class="code" href="class_e_t_undo_elem.html#ade49a5f00f9d8ff54e11925e89f7df41">00280</a> <span class="comment"></span>    <span class="keyword">inline</span> <span class="keywordtype">void</span>             <a class="code" href="class_e_t_undo_elem.html#ade49a5f00f9d8ff54e11925e89f7df41" title="simply breaks the chain after (places NULL in next member)">breakAfter</a>  (<span class="keywordtype">void</span>)
<a name="l00281"></a>00281     { <a class="code" href="class_c_c___l2_d.html#a5ee11ed3d96885932a46161953a5db46" title="pointer to next element in list">LipN</a> = <a class="code" href="aclass__ddhc_8cc.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>; }
<a name="l00282"></a>00282 <span class="comment"></span>
<a name="l00283"></a>00283 <span class="comment">    //@}</span>
<a name="l00284"></a>00284 <span class="comment"></span>    <span class="comment">/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */</span>
<a name="l00285"></a>00285 
<a name="l00286"></a>00286 
<a name="l00287"></a>00287 
<a name="l00288"></a>00288 
<a name="l00289"></a>00289 
<a name="l00290"></a>00290     <span class="comment">/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */</span><span class="comment"></span>
<a name="l00291"></a>00291 <span class="comment">    /** @name Required to be implemented by inheritants    */</span><span class="comment"></span>
<a name="l00292"></a>00292 <span class="comment">    //@{</span>
<a name="l00293"></a>00293 <span class="comment"></span>    <span class="comment">/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */</span>
<a name="l00294"></a>00294 <span class="keyword">public</span>:
<a name="l00295"></a>00295 
<a name="l00296"></a>00296 <span class="comment"></span>
<a name="l00297"></a>00297 <span class="comment">    /// perform the undo action</span>
<a name="l00298"></a>00298 <span class="comment"></span>    <span class="keyword">virtual</span> <span class="keywordtype">void</span>            <a class="code" href="class_e_t_undo_elem.html#a4a60dcb4ea178ad3238089f1a51cbcc4" title="perform the undo action">performUndo</a> ( <span class="keywordtype">void</span> ) = 0;
<a name="l00299"></a>00299 
<a name="l00300"></a>00300 <span class="comment"></span>
<a name="l00301"></a>00301 <span class="comment">    /// perform the redo action</span>
<a name="l00302"></a>00302 <span class="comment"></span>    <span class="keyword">virtual</span> <span class="keywordtype">void</span>            <a class="code" href="class_e_t_undo_elem.html#a04b1d1fd102fdfba178667193e46ab0f" title="perform the redo action">performRedo</a> ( <span class="keywordtype">void</span> ) = 0;
<a name="l00303"></a>00303 
<a name="l00304"></a>00304 <span class="comment"></span>
<a name="l00305"></a>00305 <span class="comment">    //@}</span>
<a name="l00306"></a>00306 <span class="comment"></span>    <span class="comment">/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */</span>
<a name="l00307"></a>00307 
<a name="l00308"></a>00308 
<a name="l00309"></a>00309 
<a name="l00310"></a>00310 
<a name="l00311"></a>00311 
<a name="l00312"></a>00312     <span class="comment">/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */</span><span class="comment"></span>
<a name="l00313"></a>00313 <span class="comment">    /** @name Various    */</span><span class="comment"></span>
<a name="l00314"></a>00314 <span class="comment">    //@{</span>
<a name="l00315"></a>00315 <span class="comment"></span>    <span class="comment">/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */</span>
<a name="l00316"></a>00316 <span class="keyword">public</span>:
<a name="l00317"></a>00317 
<a name="l00318"></a>00318 <span class="comment"></span>
<a name="l00319"></a>00319 <span class="comment">    /// tell the type of this item</span>
<a name="l00320"></a><a class="code" href="class_e_t_undo_elem.html#af687b0a789829ef70b4d6d8540eea7df">00320</a> <span class="comment"></span>    <span class="keyword">inline</span> <a class="code" href="class_e_t_undo_elem.html#a19152c21940321994573210e30c9f09a" title="describes all possible types of undo elements">Type</a>         <a class="code" href="class_e_t_undo_elem.html#af687b0a789829ef70b4d6d8540eea7df" title="tell the type of this item">type</a>                (<span class="keywordtype">void</span>)
<a name="l00321"></a>00321     { <span class="keywordflow">return</span> <a class="code" href="class_e_t_undo_elem.html#a466057232c7588fea57b2b606a1be40e" title="the type of this action">the_type</a>; }
<a name="l00322"></a>00322 
<a name="l00323"></a>00323 <span class="comment"></span>
<a name="l00324"></a>00324 <span class="comment">    //@}</span>
<a name="l00325"></a>00325 <span class="comment"></span>    <span class="comment">/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */</span>
<a name="l00326"></a>00326 
<a name="l00327"></a>00327 
<a name="l00328"></a>00328 
<a name="l00329"></a>00329 
<a name="l00330"></a>00330 
<a name="l00331"></a>00331     <span class="comment">/*  FUNCTIONS    ======================================================= */</span>
<a name="l00332"></a>00332     <span class="comment">//</span>
<a name="l00333"></a>00333     <span class="comment">//</span>
<a name="l00334"></a>00334     <span class="comment">//</span>
<a name="l00335"></a>00335     <span class="comment">//</span>
<a name="l00336"></a>00336 
<a name="l00337"></a>00337 };  <span class="comment">/*  class ETUndoElem    */</span>
<a name="l00338"></a>00338 
<a name="l00339"></a>00339 <span class="comment">/*  CLASS    =============================================================== */</span>
<a name="l00340"></a>00340 <span class="comment">//</span>
<a name="l00341"></a>00341 <span class="comment">//</span>
<a name="l00342"></a>00342 <span class="comment">//</span>
<a name="l00343"></a>00343 <span class="comment">//</span>
<a name="l00344"></a>00344 <span class="preprocessor">#endif // __ETUNDOELEM_INC__</span>
<a name="l00345"></a>00345 <span class="preprocessor"></span><span class="comment">/* ------------------------------------------------------------------------- */</span>
<a name="l00346"></a>00346 <span class="comment">/* ========================================================================= */</span>
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